22065103423 has 4 divisors (see below), whose sum is σ = 24071021928. Its totient is φ = 20059184920.

The previous prime is 22065103409. The next prime is 22065103441. The reversal of 22065103423 is 32430156022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22065103423 - 2¹³ = 22065095231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22065103391 and 22065103400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22065107423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1002959236 + ... + 1002959257.

It is an arithmetic number, because the mean of its divisors is an integer number (6017755482).

Almost surely, 2^22065103423 is an apocalyptic number.

22065103423 is a deficient number, since it is larger than the sum of its proper divisors (2005918505).

22065103423 is a wasteful number, since it uses less digits than its factorization.

22065103423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2005918504.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 22065103423 its reverse (32430156022), we get a palindrome (54495259445).

The spelling of 22065103423 in words is "twenty-two billion, sixty-five million, one hundred three thousand, four hundred twenty-three".